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config/.envrc
2025-04-23 12:14:27 +02:00

86 lines
2.6 KiB
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#!/usr/bin/env bash
# https://direnv.net/man/direnv-stdlib.1.html
# for when i spawn a bunch of tabs
if command -v git-wait >/dev/null; then
git() { git-wait "$@"; }
fi
# TODO:
# git config --local core.hooksPath "$PWD"/.githooks
flake_shell=.#envrc
if [[ -f .remote.toml ]]; then
flake_shell+=-remotes
fi
if [[ ! -f /run/current-system/nixos-version ]]; then
flake_shell+=-fhs
fi
# ensure (dirty) updated flake lock
# TODO: cache this on gitea? Run in background?
now="$(date +%Y-%m-%d)"
if [[ ! -d .direnv/tmp ]]; then
mkdir -p .direnv/tmp
elif command -v find >/dev/null; then
find .direnv/tmp/ -mindepth 1 -maxdepth 1 -type d -and ! -newermt "4 hours ago" -exec rm -rf {} \;
fi
if [[ ! -s .direnv/pull-date || "$now" != "$(cat .direnv/pull-date)" ]]; then
tmp=$(mktemp -p .direnv/tmp -d)
if ! git diff --exit-code --quiet HEAD -- flake.lock >&/dev/null; then
cp flake.lock "$tmp"/dirty-flake.lock
git reset -- flake.lock
git restore -- flake.lock
cp flake.lock "$tmp"/clean-flake.lock # we could instead preserve the current git rev
fi
git pull --rebase --autostash
if grep -q "^=======" flake.lock; then
# Can this happen anymore? Yes, if i forgot to push
git reset -- flake.lock
rm flake.lock # git restore?
git checkout -- flake.lock
elif [[ -s "$tmp"/clean-flake.lock ]] && ! diff -q "$tmp"/clean-flake.lock flake.lock >&/dev/null; then
cp "$tmp"/flake-dirty.lock flake.lock
fi
direnv allow # :3
# nix flake update
! declare -F update_flake >&/dev/null || ! echo >&2 "ERROR: update_flake() already declared!"
update_flake() (
set -euo pipefail
declare -a update_args=()
readarray -td $'\n' update_args <<<"$(
nix eval --file flake.nix --apply 'x: builtins.attrNames x.inputs' --json |
jq '.[]' -r |
grep -v '^nixpkgs-expensive$'
)"
# update_args+=(--output-lock-file "$tmp"/new-flake.lock)
set -x
nix flake update "${update_args[@]}" ||
nix flake update "${update_args[@]}" --option access-tokens ""
)
if command -v pueue >/dev/null && pueue status >&/dev/null; then
# update and build shell in background
echo >&2 "+ pueue add --immediate nix flake update ..."
pueue add --immediate "$(declare -f update_flake); update_flake \"\$@\"; set -x; nix print-dev-env \"$flake_shell\" >/dev/null"
else
# update while blocking
update_flake
fi
unset -f update_flake
# TODO: move to pueue job?
printf "%s\n" "$now" >.direnv/pull-date
fi
# source env
use flake "$flake_shell"
printf "\n"
just motd
printf "\n"
unset -f git
export QEMU_NET_OPTS="hostfwd=tcp::10022-:22,hostfwd=tcp::10080-:80,hostfwd=tcp::10443-:443"